This patch is part of a larger patch series which will removethe "char bus_id[20]" name string from struct device. The devicename is managed in the kobject anyway, and without any sizelimitation, and just needlessly copied into "struct device".

To set and read the device name dev_name(dev) and dev_set_name(dev)must be used. If your code uses static kobjects, which it shouldn'tdo, "const char *init_name" can be used to statically provide thename the registered device should have. At registration time, theinit_name field is cleared, to enforce the use of dev_name(dev) toaccess the device name at a later time.

We need to get rid of all occurrences of bus_id in the entire treeto be able to enable the new interface. Please apply this patch,and possibly convert any remaining remaining occurrences of bus_id.

We want to submit a patch to -next, which will remove bus_id from"struct device", to find the remaining pieces to convert, and finallyswitch over to the new api, which will remove the 20 bytes arrayand does no longer have a size limitation.